I always remind people about sunscreen at this time of year, but later in 2026, we’ll have a new kid on the block — a third kind of sunscreen. First, let’s review. Until now, there were two types of sunscreens. The first are nonchemical, physical sunscreens such as zinc oxide or titanium dioxide, the white stuff lifeguards used at the beach when I was a kid and generally still use today. These minerals do not dissolve into your blood, so if you’re concerned about chemicals en